Description Easy and safe refilling of evaporated water in the aquarium - Permanent monitoring of the water level in the aquarium with an infrared sensor incl. delay circuit - Automatic refilling of evaporated aquarium water - Dry-running protection of the refilling pump - Easy installation and maintenance, plug connections on all cables - Sensor with magnet holder - 12 V low voltage, incl. transformer 100 - 240 V / 50 - 60 Hz Manual Refill System easy manual
